Insole



FIG. 1 is a bottom plan view of an insole showing our new design;

FIG. 2 is a left side elevational view;

FIG. 3 is a right side elevational view;

FIG. 4 is a cross-sectional view on the line 4--4 of FIG. 1

FIG. 5 is a cross-sectional view on the line 5--5 of FIG. 1; and

FIG. 6 is a cross-sectional view on the line 6--6 of FIG. 1. 

The ornamental design for an insole, as shown and described. 